Siau, Keith The 2015 upper gastrointestinal "Be Clear on Cancer" campaign: its impact on gastroenterology services and malignant and premalignant diagnoses. [electronic resource] - Frontline gastroenterology Oct 2017 - 284-289 p. digital Publication Type: Journal Article ISSN: 2041-4137 Standard No.: 10.1136/flgastro-2017-100820 doi